The testing comprises the subjects sitting still for periods of 2 minutes whilst recordings are taken from both the BM07 and Somnoscreen. The test configurations are ranges from the BM07 to subject of 0.5, 1.0 & 1.5m and 1.0m with a thick folded duvet (overblanket/comforter) covering the subject to represent them wearing thick outdoor winter clothing. Each test configuration is carried out twice, making a total of 8 test recordings per subject.